OBD Guide

P0184

Fuel Temperature Sensor A Circuit Intermittent

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Difficulty starting
  • Check Engine light comes on

Causes

  • Open or short circuit in the fuel temperature sensor circuit
  • Fuel temperature sensor malfunction
  • Oxidation of contacts or poor connection
  • Wiring harness damage
  • ECU problems (rare)

How to Fix

  1. Check the integrity of the wiring and contacts in the sensor circuit
  2. Test the resistance of the fuel temperature sensor
  3. Clean or replace oxidized contacts
  4. Replace the fuel temperature sensor if necessary
  5. Check wiring harness for damage
  6. Reset the error and check if it returns

Related codes

Error P0184 by Vehicle Brand